US Bridges

71st over Polecat Creek

Good

Sedgwick County, Kansas · 71STS 0.5 E of 143RDE · Structure no. 000870839506360

Built
1968
57 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

71st over Polecat Creek is a concrete culvert carrying 71st over Polecat Creek in Sedgwick County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 80 by 2044. The structure is 43 ft (13.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries71st
CrossesPolecat Creek
Location71STS 0.5 E of 143RDE
RouteCounty Highway 0
StateKansas
Coordinates37.56292, -97.16221
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span11 ft (3.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 71st over Polecat Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is 71st over Polecat Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does 71st over Polecat Creek carry?

About 50 vehicles per day (2022 count).

How long is 71st over Polecat Creek?

The structure is 43 ft (13.1 m) long with a longest span of 11 ft (3.4 m) and a deck 38 ft wide.

Who owns 71st over Polecat Creek?

It is owned by the County Highway Agency.